Hi! My name is....

AKA Wednesday's Brain Bender... Ready? Here we go!

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If seven people meet each other and each shakes hands only once with each of the others, how many handshakes will there have been?

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And do we still have to wear the stupid name tags?? Anyway, the answer will follow in the comments.

Update: And we have a winner! Blue Tige is today's official Smartypants! Whoohoo! Now let's all go wash our hands....